All terrain vehicle



FIG. 1 is a perspective view of an all terrain vehicle according to our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevataion view thereof; and,

FIG. 6 is a top plan view thereof.

The broken lines shown herein are illustrative of environmental structure and form no part of the claimed design. 

The ornamental design for an all terrain vehicle, as shown and described. 